ESM cause (LTE NAS)3GPP TS 24.301 §9.9.4.4 and Annex B
What it means
Operator determined barring: the operator has barred this subscriber from the service.
Where you see it
In LTE NAS PDN connectivity reject, bearer resource reject or EPS bearer deactivation.
What to check
Check ODB settings in the subscriber's profile.
Check the GTPv2 Create Session Response and the HSS APN configuration for the same APN.
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